Home / 6,881.67-9,495.31-4,191.08

Finding the Fourth Proportional to 6,881.67, 9,495.31 and 4,191.08

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Solution

The fourth proportional to 6,881.67, 9,495.31 and 4,191.08 is: 5,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.67 : 9,495.31 = 4,191.08 : x
  2. Step 2: Convert to fraction form
    6,881.67/9,495.31 = 4,191.08/x
  3. Step 3: Cross multiply
    6,881.67x = 9,495.31 × 4,191.08
  4. Step 4: Simplify right side
    6,881.67x = 39,795,582.88
  5. Step 5: Solve for x
    x = 39,795,582.88/6,881.67
  6. Step 6: Final answer
    x = 5,782.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.